import React, { PureComponent } from 'react'
import { connect } from 'react-redux'

import {
  TopicWrapper,
  TopicItem
} from '../style'

class Topic extends PureComponent {
  render() {
    return (
      <TopicWrapper>
        {
          this.props.list.map((item) => {
            return (
              <TopicItem key={item.get('id')}>
                <img className="topic-pic" alt='' src={item.get('imgUrl')} />
                {item.get('title')}
              </TopicItem>
            )
          })
        }
      </TopicWrapper>
    )
  }
}

const mapState = (state) => ({
  list: state.getIn(['home', 'topicList'])
  //list: state.get('home').get('topicList')
})

export default connect(mapState, null)(Topic)